CN108064127A - Polarity discriminating device, erecting device, polarity discriminating method - Google Patents
Polarity discriminating device, erecting device, polarity discriminating method Download PDFInfo
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- CN108064127A CN108064127A CN201711083934.6A CN201711083934A CN108064127A CN 108064127 A CN108064127 A CN 108064127A CN 201711083934 A CN201711083934 A CN 201711083934A CN 108064127 A CN108064127 A CN 108064127A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/08—Monitoring manufacture of assemblages
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Abstract
The present invention differentiates the polarity of electronic unit without increasing productive temp time.The polarity discriminating device (55) that the polarity of the electronic unit (Pa) of opposite substrate (W) installation is differentiated has：Illumination region (46) shines towards the specified altitude position of electronic unit；Acceptance part (47) carries out light to the light for carrying out self-luminescent part across electronic unit；Calculating part (56) according to electronic unit compared with the shading width of acceptance part, calculates component width；And judegment part (57), based on the component width of specified altitude position, the polarity of electronic unit is differentiated, illumination region and acceptance part are equipped on the mounting head for installing electronic unit to substrate.
Description
Technical field
Polarity discriminating device, the installation dress differentiated the present invention relates to the polarity of the electronic unit of opposite substrate installation
It puts, polarity discriminating method.
Background technology
Polarity discriminating device as electronic unit, it is proposed that carried out before the start of production to the polarity of electronic unit electrical
The polarity discriminating device of inspection (for example, referring to patent document 1).It is centered in the polarity discriminating dress recorded in patent document 1
There is a pair of contact terminals, be powered by pushing the lead of electronic unit to a pair of contact terminals, so as to the ministry of electronics industry
Polarity of part etc. is differentiated and prevents electronic unit from being installed compared with the mistake of substrate.In addition, as other polarity discriminating devices,
Propose following apparatus, i.e. the electronic unit in transmission process is shot from below by filming apparatus, according to shooting
Apperance possessed by the outer surface of the electronic unit taken in image differentiates the polarity of electronic unit.
Patent document 1：Japanese Unexamined Patent Publication 2009-115638 publications
But in the polarity discriminating device recorded in patent document 1, if electronic unit not to be delivered to the rule of device
Positioning is put, then can not carry out polarity discriminating, similarly, in other polarity discriminating devices, if electronic unit is not delivered to
The surface of filming apparatus can not then differentiate polarity.It is elongated accordingly, there exist productive temp time and productivity deteriorates this
The problem of sample.
The content of the invention
The present invention in view of the problem and propose, the first purpose be to provide it is a kind of can be to the pole of electronic unit
Property differentiated without increase productive temp time polarity discriminating device, erecting device, polarity discriminating method.
The polarity discriminating device of one embodiment of the present invention, the polarity of the electronic unit of opposite substrate installation are sentenced
Not, which is characterized in that having：Illumination region shines towards the specified altitude position of electronic unit；Light
Portion in a state that electronic unit is configured between the illumination region and acceptance part, carries out the light from the illumination region
Light；Calculating part according to electronic unit compared with the shading width of the acceptance part, calculates component width；And
Judegment part based on the component width of specified altitude position, differentiates the polarity of electronic unit, the illumination region and described
Acceptance part is equipped on the mounting head for installing electronic unit to substrate.
The polarity discriminating method of one embodiment of the present invention, the polarity of the electronic unit of opposite substrate installation are sentenced
Not, which is characterized in that, has following step：By acceptance part to towards the specified altitude position of electronic unit
The light for carrying out self-luminescent part put carries out light；According to electronic unit compared with the shading width of the acceptance part, to component width
It is calculated；And the component width based on specified altitude position, the polarity of electronic unit is differentiated, the illumination region and
The acceptance part is equipped on the mounting head for installing electronic unit to substrate, in the conveying for the electronic unit realized by mounting head
Polarity is differentiated in the process.
According to these structures, illumination region and acceptance part are equipped in mounting head, by being configured at illumination region in electronic unit
By acceptance part to carrying out light come the light of self-luminescent part in the state of between acceptance part, so as to calculate component width,
The polarity of electronic unit is differentiated according to component width.While electronic unit is conveyed by mounting head, it is right on one side
Polarity is differentiated, there is no need to be gone the long way round to be differentiated to polarity, can with shortest path by electronic unit to substrate
Conveying.Thereby, it is possible to the polarity to electronic unit to be differentiated without increasing productive temp time.
In above-mentioned polarity discriminating device, there is driving mechanism, the driving mechanism is to the electronic unit and the hair
The relative position of light portion and the acceptance part changes.According to the structure, can be made by the driving mechanism compared with electricity
The luminous position and light receiving position of subassembly are variable.
In above-mentioned polarity discriminating device, electronic unit has multiple leads, and the illumination region is in specified altitude position
It shines towards multiple leads, in a state that multiple lead-line configurations are between the illumination region and acceptance part, the acceptance part pair
Light from the illumination region carries out light, the calculating part according to multiple leads compared with the shading width of the acceptance part,
Wire widths are calculated, the judegment part according to the difference of the wire widths of multiple leads, to the polarity of electronic unit into
Row differentiates.According to the structure, the polarity of electronic unit that can be easily different with cathode to anode according to wire widths into
Row differentiates.
In above-mentioned polarity discriminating device, electronic unit has a pair of lead wires, and a lead is J-lead.According to this
Structure, can be easily according to wire widths and to the pole of electronic unit since the wire widths of J-lead form wide
Property is differentiated.
In above-mentioned polarity discriminating device, the illumination region changes height and position towards electronic unit and shines, in electricity
In a state that subassembly is configured between the illumination region and acceptance part, the acceptance part carries out the light from the illumination region
Light, the calculating part according to electronic unit compared with the shading width of the acceptance part, in each height and position to component width
It is calculated, the judegment part is according to the offset direction of the center of the component width of each height and position, to electronic unit
Polarity is differentiated.It, can be according to the offset of the center of the component width at each height and position, easily according to the structure
To differentiating in the polarity of the side of the positive electrode electronic unit different with negative side component shape.
In above-mentioned polarity discriminating device, electronic unit is divided into encapsulation part and multiple leads, the hair in short transverse
Light portion shines in the 1st height and position towards encapsulation part, and shines in the 2nd height and position towards multiple leads, matches somebody with somebody in encapsulation part
In the state of being placed between the illumination region and acceptance part, the acceptance part carries out the light from the illumination region light, and
And in a state that multiple lead-line configurations are between the illumination region and acceptance part, the acceptance part is to from the illumination region
Light carries out light, and the calculating part, compared with the shading width of the acceptance part, is counted encapsulation part width according to encapsulation part
It calculates, and according to multiple leads compared with the shading width of the acceptance part, the lead to the lead from one end to the other end is
Peak width only is calculated, and the judegment part is according to the center of the peak width of the center and lead of encapsulation part width
The offset direction of position differentiates the polarity of electronic unit.It, can be according to encapsulation part width and lead according to the structure
The offset of the center of peak width, easily to the polarity in the side of the positive electrode electronic unit different with negative side component shape
Differentiated.
The erecting device of one embodiment of the present invention is characterized in that having：Mounting head, with above-mentioned polarity discriminating
Device；And moving mechanism, the mounting head is made to be moved from the supply position of electronic unit towards substrate, according to by the pole
Property the polarity of electronic unit that determines of discriminating gear, setting angle is adjusted, is installed by the mounting head to substrate
Electronic unit.According to the structure, while being conveyed by mounting head to electronic unit, while differentiating to polarity, therefore
The productive temp time that electronic unit can be installed with appropriate direction without increasing electronic unit to substrate.
The effect of invention
According to the present invention, illumination region and acceptance part are equipped in mounting head, while being carried out by mounting head to electronic unit
Conveying, while differentiating to polarity, therefore can shorten productive temp time and improve productivity.
Description of the drawings
Fig. 1 is the schematic diagram for the erecting device entirety for representing present embodiment.
Fig. 2 is the schematic diagram on the mounting head periphery for representing present embodiment.
Fig. 3 is the schematic diagram of the transport path for the erecting device for representing comparative example.
Fig. 4 is the schematic diagram of the polarity discriminating device of present embodiment.
Fig. 5 is the definition graph of the 1st polarity discriminating method of present embodiment.
Fig. 6 is the definition graph of the 2nd polarity discriminating method of present embodiment.
Fig. 7 is the flow chart of the 1st polarity discriminating method of present embodiment.
Fig. 8 is the flow chart of the 2nd polarity discriminating method of present embodiment.
The explanation of label
1 erecting device
10 feedways (feeder)
30 horizontal mobile mechanisms (moving mechanism)
40 mounting heads
41 mounting head main bodys
43 suction nozzle driving portions (driving mechanism)
45 recognition units
46 illumination regions
47 acceptance parts
55 polarity discriminating devices
56 calculating parts
57 judegment parts
61st, 71 encapsulation part
62nd, 63,72,73 lead
Pa, Pb, Pc electronic unit
W substrates
Specific embodiment
In the following, referring to the drawings, the erecting device of present embodiment is illustrated.Fig. 1 is the peace for representing present embodiment
The schematic diagram of assembling device entirety.In addition, the erecting device of a present embodiment only example, can suitably change.
Lead to as shown in Figure 1, erecting device 1 is configured to the component P that will be supplied by feedway (feeder) 10 (with reference to Fig. 2)
It crosses mounting head 40 and is installed on the assigned position of substrate W.In the substantial middle of the base station 20 of erecting device 1, it is configured in X-axis side
To the substrate delivery section 21 conveyed to substrate W.Substrate delivery section 21 from the one end of X-direction component is installed before base
The lower section of plate W to mounting head 40 is moved into and is positioned, and the substrate W after component is installed is outside the other end lateral device of X-direction
It takes out of.In addition, on base station 20, across the both sides of substrate delivery section 21, multiple supply dresses are abreast configured in X-direction
Put 10.
Tep reel 11 in feedway 10 is detachably installed, is wound in tep reel 11 and various parts is carried out
The material containing band of encapsulation.What each feedway 10 was picked up by the rotation of the sprocket wheel set in the device towards mounted first 40
Delivery position successively extracts component P out.In the delivery position of mounting head 40, removed from material containing band by the covering band on surface, material containing
Component P in the pocket of band exposes to outside.In addition, for component P, as long as can be installed compared with substrate W, then do not limit especially
Due to electronic unit etc..
Being provided on base station 20 makes mounting head 40 move horizontally machine what X-direction and Y direction were moved horizontally
Structure (moving mechanism) 30.Horizontal mobile mechanism 30 has in a pair of of Y-axis driving portion 31 of Y direction extension and prolongs in X-direction
The X-axis driving portion 32 stretched.A pair of of Y-axis driving portion 31 is supported in the support portion (not shown) uprightly set in the corner of base station 20, X
Axis driving portion 32 can movably be arranged at a pair of of Y-axis driving portion 31 along Y direction.In addition, mounting head 40 can be moved along X-direction
Ground is arranged on X-axis driving portion 32, and by X-axis driving portion 32 and Y-axis driving portion 31, mounting head 40 is in feedway 10 and substrate
It is moved back and forth between W.
As shown in Fig. 2, mounting head 40 set in the mounting head main body 41 for being supported in X-axis driving portion 32 (with reference to Fig. 1) it is multiple
Suction nozzle 42 (in the present embodiment only illustrate 1) and form.Each suction nozzle 42 is supported in mounting head via suction nozzle driving portion 43
Main body 41 is moved along Z-direction vertical direction by suction nozzle driving portion 43, and rotated about the z axis.Each suction nozzle 42 is with attracting source
Connection (not shown), absorption holding is carried out by carrying out the attraction in self-gravitation source to component P.Suction nozzle 42 is provided with spiral bullet
Spring makes coil spring contracts, while the component P adsorbed from suction nozzle 42 is installed to substrate W.
Height sensor 44 that the height pair with substrate W apart is detected is provided with (with reference to figure in mounting head main body 41
1), the recognition unit 45 that the component shape adsorbed by suction nozzle 42 is identified.Height sensor 44 is to from substrate W to suction nozzle 42
Until height be detected and the movement of the vertical direction of suction nozzle 42 controlled.Recognition unit 45 is configured at component P
Mode between illumination region 46 and acceptance part 47 makes illumination region 46 and acceptance part 47 opposite in the horizontal direction, by acceptance part 47 to from
The light of illumination region 46 towards component P carry out light.Component P is revolved between illumination region 46 and acceptance part 47 by suction nozzle 42
Turn, component shape, part centre etc. are identified according to the variation for the shading width realized by component P.
The BOC marks as the reference mark on substrate W are shot in addition, being provided in mounting head 40 from surface
Substrate imaging portion 48 (with reference to Fig. 1) and from oblique upper the carrying action of the component P that is realized by suction nozzle 42 is shot
Suction nozzle shoot part 49.Substrate imaging portion 48 sets coordinate system based on the captured image that BOC is marked and in substrate W, to the position of substrate W
Offset etc. is put to be identified.Suction nozzle shoot part 49 except to shot before and after absorption of the component P compared with feedway 10 with
Outside, also to being shot before and after installations of the component P compared with the mounting surface of substrate W.As a result, to by suction nozzle 42 either with or without absorption
Component P, checked in substrate W either with or without installing component P.
Central controlled control device 50 is carried out to each portion of device in addition, being provided in erecting device 1.Control device 50 by
Perform the compositions such as processor, the memory of various processing.Memory is according to purposes by ROM (Read Only Memory), RAM
The one or more such as (Random Access Memory) storage medium is formed.In addition, erecting device 1 is stored in memory
Control program, each step in order to perform the polarity discriminating method differentiated for the polarity to the electronic unit described below
The various parameters such as rapid discriminating program, the decision content used in the polarity discriminating of electronic unit.
In the erecting device 1 formed in the above described manner, mounting head 40 is made to be moved to feedway 10 (with reference to Fig. 1), it will
The component P supplied from feedway 10 is picked up by suction nozzle 42, and component P is installed on to the desired installation site of substrate W.
In addition, existing in component P needs the electronic unit Pa for carrying out polarity discriminating (with reference to Fig. 4), as described above with polarity
Electronic unit Pa needs are adjusted the setting angle compared with substrate W.As the polarity discriminating of electronic unit Pa, usually make
Use following methods：Confirm the note of encapsulation part by being powered between the terminal of electronic unit Pa or electronic unit Pa being shot
Number, but arbitrary discriminating gear must be all configured on device.
Therefore, in the common erecting device 80 shown in the comparative example in Fig. 3, in order to be carried out to the polarity of electronic unit Pa
Differentiate, it is necessary to the discriminating gear 82 being delivered to the electronic unit Pa picked up from feedway 81 on device.Due to by electronics
Component Pa is delivered to the installation site on substrate W from feedway 81 via discriminating gear 82, thus transport path go the long way round and
Productive temp time is elongated.Herein, the polarity of electronic unit the Pa not only electrical characteristic between terminal, the mark phase of encapsulation part
It closes, it is also related to the component shapes contiguity such as lead format (for example, J-lead), encapsulation part shape.
In addition, as shown in Fig. 2, the component shape of component P can be identified recognition unit is equipped in mounting head 40
45.The electronic unit P (Pa, Pb, Pc) of suction nozzle 42 is adsorbed in, is risen by suction nozzle driving portion 43 (driving mechanism), provided
Height and position stops.For the electronic unit P stopped in the specified altitude position, from the illumination region 46 of recognition unit 45 towards portion
Part P shines, and component shape is thus made to be projected on acceptance part 47.Moreover, portion is made centered on absorption position by suction nozzle 42
Part P rotates, and makes the shading change width for the component P for being projected on acceptance part 47 and component shape, center is obtained.As above institute
It states, in recognition unit 45, is identified according to the shading width that acceptance part 47 is projected under each rotation angle of component P
Component shape etc..
Therefore, in the erecting device 1 of present embodiment, being conceived to can be according to the portion of electronic unit Pa (with reference to Fig. 4)
Part shape and differentiation this point is carried out to polarity, be configured to using be equipped on the recognition unit 45 of mounting head 40 and to electronic unit
The polarity of Pa is differentiated.Recognition unit 45 is used as polarity discriminating device 55 (with reference to Fig. 4) as a result, to electronic unit Pa
Polarity differentiated, without newly preparing discriminating gear.Further, since while electronic unit Pa is carried out by mounting head 40
Conveying, while differentiate to polarity, therefore can electronic unit be delivered to from feedway 10 by substrate W with shortest path and
Shorten productive temp time, improve productivity.
In the following, with reference to Fig. 4 to Fig. 6, the polarity discriminating device of present embodiment is illustrated.Fig. 4 is present embodiment
Polarity discriminating device schematic diagram.Fig. 5 is the definition graph of the 1st polarity discriminating method of present embodiment.Fig. 6 is this embodiment party
The definition graph of 2nd polarity discriminating method of formula.In addition, the 1st polarity discriminating method is the difference according to lead format and to electronics
The polarity of component carries out sentencing method for distinguishing, and the 2nd polarity discriminating method is the difference according to global shape and to the pole of electronic unit
Property carries out sentencing method for distinguishing.
As shown in figure 4, polarity discriminating device 55 is configured to, component shape is known using in the transmission process of component
Other recognition unit 45, differentiates the polarity of electronic unit Pa compared with substrate W.It is provided in recognition unit 45 luminous
Portion 46 and acceptance part 47, the illumination region 46 shine to the specified altitude position of electronic unit Pa, and the acceptance part 47 is in electronic unit
Pa be configured between illumination region 46 and acceptance part 47 in the state of to come self-luminescent part 46 light carry out light.Illumination region 46 be by
Light-emitting component is formed laterally forming a line, and acceptance part 47 forms photo detector laterally forming a line.From
Each light-emitting component of illumination region 46 projects the high light of rectilinear propagation towards electronic unit Pa, not by electronic unit Pa shadings
Light by acceptance part 47 each photo detector light.
In the polarity discriminating of electronic unit Pa, the identifying processing of component shape during with calculating part centre is not
Together, 42 rotating electron component Pa of suction nozzle is not utilized, and the shading width from a direction during electronic unit Pa is projected on light
Portion 47.In this case, the direction of electronic unit Pa is adjusted between illumination region 46 and acceptance part 47, so that electronics
The side of the positive electrode and negative side of component Pa becomes a side of asymmetrical shape towards the light-receiving surface of acceptance part 47.In addition, identification
Unit 45 can carry out light by acceptance part 47 to the LED light that is sent from illumination region 46, can also by acceptance part 47 to from
The laser that illumination region 46 is sent carries out light.
In addition, be provided in polarity discriminating device 55 it is right compared with the shading width of acceptance part 47 according to electronic unit Pa
The calculating part 56 that component width is calculated and the component width based on specified altitude position and to the polarity of electronic unit Pa into
The judegment part 57 that row differentiates.The shading width of the not photo detector light by acceptance part 47 is inputted to calculating part 56, according to screening
The component width of electronic unit P of the optical width to being observed from a side calculates.It is inputted from calculating part 56 to judegment part 57
The component width of electronic unit Pa, according to component width to polarity that side of the positive electrode and negative side are asymmetrical electronic unit Pa into
Row differentiates.As described above, electronic unit Pa is determined just according to the component width of the specified altitude position of electronic unit Pa
Pole side and negative side.
On component in electronic unit Pa, that such as J-lead component so has differences in multiple lead format,
It is measured by the wire widths to each lead, so as to differentiate to polarity.In general, the J-shaped of J-lead component draws
Line side is anode, and the lead side of rectilinear form is cathode, and J-lead wire widths compared with the lead of rectilinear form become larger.Separately
Outside, even if whole wire widths are identical, in the case where the component shape of globality is different in left and right, gone through by changing height
Through being repeatedly measured to component width, so as to differentiate to polarity.If the global shape of component is different in left and right,
Then the center of component width is different in the height direction, thus can according to the offset of the left and right directions of the center and
Polarity is differentiated.
As shown in figure 5, in the 1st polarity discriminating method, to such as J-lead component in this way, the lead of multiple leads is wide
The polarity for spending different electronic unit Pb is differentiated.In electronic unit Pb, from encapsulation part 61 stretched out a pair of lead wires 62,
63, a lead 62 bends and turns back, and correspondingly wire widths become larger.Illumination region 46 (with reference to Fig. 4) and (ginseng of acceptance part 47
According to Fig. 4) it is positioned in defined height and position compared with a pair of lead wires 62,63, by being configured at hair in a pair of lead wires 62,63
By acceptance part 47 to carrying out light come the light of self-luminescent part 46 in the state of between light portion 46 and acceptance part 47, so as to which basis is respectively drawn
The shading width of line 62,63, calculates wire widths L1, L2.
In addition, the decision content D1 for being useful for being differentiated to J-lead is prestored in polarity discriminating device 55, by this
Decision content D1 and each wire widths L1, L2 are compared, and the wire widths bigger than decision content D1 are identified as J-lead.In addition,
Go out the electronic unit Pb of J-lead on None- identified, discarded as component defective work.As decision content D1, use
The value by testing, empirically or according to theoretical being obtained for each species of component according to past data etc..Such as
It is upper described, usually, since J-lead side is anode, by the way that J-lead is identified, so as to electronic unit
The side of the positive electrode and negative side of Pb is differentiated.
As shown in fig. 6, in the 2nd polarity discriminating method, the global shape on such as such components of electronic unit Pc exists
The different component in left and right, differentiates polarity.In electronic unit Pc, drawing for a pair of of rectilinear form has been stretched out from encapsulation part 71
Line 72,73 is divided into encapsulation part 71 and a pair of lead wires 72,73 in the short transverse of electronic unit Pc.A pair of lead wires 72,73 compared with
The position offset to the left of encapsulation part 71 and set, component is made due to the position offset of the encapsulation part 71 and a pair of lead wires 72,73
Global shape it is different in left and right.Therefore, while changing height and position compared with electronic unit Pc, while in each height and position
Component width is calculated.
In this case, illumination region 46 (with reference to Fig. 4) and acceptance part 47 (with reference to Fig. 4) in the 1st height and position compared with envelope
Dress portion 71 is positioned, by acceptance part 47 to coming from a state that encapsulation part 71 is configured between illumination region 46 and acceptance part 47
The light of illumination region 46 carries out light, and according to the shading width of encapsulation part 71, encapsulation part width L3 is calculated.In addition, it shines
Portion 46 and acceptance part 47 are positioned in the 2nd height and position compared with multiple leads 72,73, are configured in a pair of lead wires 72,73
Drawn in the state of between illumination region 46 and acceptance part 47 by acceptance part 47 to carrying out light come the light of self-luminescent part 46 according to a pair
The shading width of line 72,73 calculates peak width L4 of the lead 72 from one end until the lead 73 of the other end.It asks
Go out the center C2 of the center C1 of encapsulation part width L3 and the peak width L4 of lead, center C1, C2 is obtained
The position offset of left and right directions.
On the basis of the origin O in left side, be obtained from distances of the origin O until the center C1 of encapsulation part width L3 and
From distances of the origin O until the center C2 of the peak width L4 of lead.Moreover, according to from origin O to center C1
Until distance and distance from origin O until the C2 of center difference and offset direction is obtained.If for example, from origin
The difference of distances of the O until each center C1, C2 is positive number, then is determined as lead 72,73 compared with encapsulation part 71 to the left
Side has carried out position offset.In addition, if the difference of the distance from origin O until each center C1, C2 is negative, then sentence
Not Wei lead 72,73 carried out position offset to the right compared with encapsulation part 71.According to the encapsulation part 71 and a left side for lead 72,73
The position offset of right direction and the polarity of electronic unit Pc is differentiated.
In the example of fig. 6, since a pair of lead wires 72,73 has carried out position offset to the left compared with encapsulation part 71, because
Anode is identified as on the left of this electronic unit Pc, cathode is identified as on the right side of electronic unit Pc.In addition, it is filled in polarity discriminating
The qualified or not decision content D2 differentiated being stored in 55 for electronic unit Pc is put, on encapsulation part width L3 and is drawn
The position offset of center C1, C2 of the peak width L4 of line are less than the electronic unit Pc of decision content D2, as component
Defective work and discarded.As decision content D2, pass through reality for each species of component using according to past data etc.
The value tested, empirically or according to theoretical be obtained.
As noted previously, as using recognition unit 45 and by the 1st, the 2nd polarity discriminating method to electronic unit Pb, Pc
Polarity is differentiated, there is no need to newly set to differentiate dedicated equipment in erecting device 1, can reduce cost.In addition, identification is single
Member 45 is equipped on mounting head 40 (with reference to Fig. 2), therefore when being conveyed by mounting head 40 to electronic unit Pb, Pc,
The polarity of electronic unit Pb, Pc are differentiated by recognition unit 45.Therefore, it is possible to shorten productive temp time, without
The transport path as shown in the comparative example of Fig. 3 becomes to go the long way round.
Next, with reference to Fig. 7 and Fig. 8, the flow of the 1st, the 2nd polarity discriminating method is illustrated.Fig. 7 is this embodiment party
The flow chart of 1st polarity discriminating method of formula.Fig. 8 is the flow chart of the 2nd polarity discriminating method of present embodiment.In addition,
Here, for convenience of description, suitably illustrated using the label from Fig. 4 to Fig. 6.In addition, it is assumed that so that it is on the left of component
The direction on the right side of anode, component being cathode is correct setting angle.
As shown in fig. 7, in the 1st polarity discriminating method, if (step is adsorbed to electronic unit Pb by suction nozzle 42
Rapid S01), then by suction nozzle driving portion 43 (driving mechanism) electronic unit Pb is made to stop in specified altitude position, it is defined at this
Height and position, the light for carrying out self-luminescent part 46 are detected (step by 47 light of acceptance part across lead 62,63 to shading width
S02).Next, by calculating part 56 according to the shading width of lead 62,63 and to pin count and each wire widths L1, L2 into
Row calculates (step S03).Pin count is 2 in the present embodiment, therefore in the following, is implemented on 2 leads 62,63 in left and right
The differentiation of J-lead.In addition, pin count is implemented to be detected difference component.
In the differentiation of J-lead, by judegment part 57 to the wire widths L1 of lead 62 in left side and sentencing for J-lead
Definite value D1 is compared (step S04).In the case where the wire widths L1 of the lead 62 in left side is greater than or equal to decision content D1
(step S04 is Yes), is determined as the lead 62 in left side as J-lead, i.e. anode.It is considered as electronic unit Pb as a result, and is in left side
For the correct setting angle that anode, right side are cathode, without electronic unit Pb is made to be inverted compared with the setting angle of substrate W,
Electronic unit Pb is installed on to the installation site (step S05) of substrate W by suction nozzle 42.
On the other hand, in the case where wire widths L1 is less than decision content D1 (step S04 is No), to the lead 63 on right side
Wire widths L2 and the decision content D1 of J-lead be compared (step S06).It is big in the wire widths L2 of the lead 63 on right side
In or equal to (step S06 is Yes) in the case of decision content D1, it is determined as the lead 63 on right side as J-lead, i.e. anode.By
This, is considered as electronic unit Pb and is in the setting angle of reversion, and electronic unit Pb is made to be inverted compared with the setting angle of substrate W
Electronic unit Pb is appropriately mounted at the installation site (step S05) of substrate W by suction nozzle 42 by (step S07).
In addition, in the case where wire widths L2 is less than decision content D1 (step S06 be No), as can not be to J-lead
Situation about being differentiated and electronic unit Pb is discarded (step S08).As described above, in the 1st polarity discriminating method, according to J
Shape lead be left side lead 62 or right side lead 63 and anode is differentiated, to electronic unit Pb compared with substrate W
Setting angle be adjusted.In addition, to the polarity of J-lead component is differentiated by the 1st polarity discriminating method one
A example is illustrated, but differentiates in the polarity for the electronic unit being had differences to multiple lead format (wire widths)
When, the 1st polarity discriminating method can also be used.
As shown in figure 8, in the 2nd polarity discriminating method, if (step is adsorbed to electronic unit Pc by suction nozzle 42
Rapid S11), then in the 1st height and position of electronic unit Pc, carry out the light of self-luminescent part 46 via encapsulation part 71 by 47 light of acceptance part
And shading width is detected (step S12).Next, by calculating part 56 according to the shading width of encapsulation part 71 and to envelope
Dress portion width L3 is calculated (step S13).Next, in the 2nd height and position of electronic unit Pc, carry out the light of self-luminescent part 46
Shading width is detected (step S14) by 47 light of acceptance part across a pair of lead wires 72,73.Next, pass through calculating
Portion 56 is according to the shading width of a pair of lead wires 72,73 and the region to the lead 72 from one end until the lead 73 of the other end is wide
Degree L4 is calculated (step S15).
Next, by judegment part 57 to the center of the peak width L4 of the center C1 and lead of encapsulation part width L3
The difference of position C2 is calculated (step S16), and difference and the qualified or not decision content D2 of component of center C1, C2 are carried out
Compare (step S17).In the case where the difference (absolute value) of center C1, C2 are less than decision content D2 (step S17 is No),
As electronic unit Pc can not being discarded (step S18) to the situation that polarity is differentiated.On the other hand, in center
In the case that the difference (absolute value) of C1, C2 are greater than or equal to decision content D2 (step S17 is Yes), to center C1, C2
Whether difference is that positive number is judged (step S19).
In the case of being positive number in the difference of center C1, C2 (step S19 is Yes), it is determined as that lead 72,73 is opposite
The left side that position offset has been carried out in encapsulation part 71 is anode.It is considered as electronic unit Pc and is in that left side is anode, right side is cathode
Correct setting angle, without electronic unit Pc is made to be inverted compared with the setting angle of substrate W, by suction nozzle 42 by the ministry of electronics industry
Part Pc is installed on the installation site (step S20) of substrate W.In addition, in the case where the difference of center C1, C2 are negative
(step S19 is No) is determined as that lead 72,73 has carried out the right side of position offset as anode compared with encapsulation part 71.It is considered as electricity
Subassembly Pc is in the setting angle of reversion, and electronic unit Pc is made to invert (step S21) compared with the setting angle of substrate W,
Electronic unit Pc is installed on to the installation site (step S20) of substrate W by suction nozzle 42.
As described above, in the 2nd polarity discriminating method, according to lead 72,73 compared with the position offset side of encapsulation part 71
Differentiate to and to anode, electronic unit Pc is adjusted compared with the setting angle of substrate W.In addition, to passing through the 2nd pole
The example that property method of discrimination differentiates the polarity of component is illustrated, but can also pass through the 2nd polarity discriminating side
Method differentiates the polarity of J-lead component.Alternatively, it is also possible to by the 1st polarity discriminating method and the 2nd polarity discriminating method into
Row combination, for the electronic unit for being judged to not differentiating J-lead by the 1st polarity discriminating method, is converted to the 2nd
Polarity discriminating method and polarity is differentiated.
As previously discussed, in the polarity discriminating device 55 of present embodiment, 46 He of illumination region is equipped in mounting head 40
Acceptance part 47, by the state of being configured in electronic unit Pa between illumination region 46 and acceptance part 47 by acceptance part 47 to coming from
The light of illumination region 46 carries out light, so as to calculate component width, according to component width to the polarity of electronic unit Pa into
Row differentiates.While being conveyed by mounting head 40 to electronic unit Pa, while differentiating to polarity, there is no need in order to right
Polarity is differentiated and is gone the long way round, and can be conveyed electronic unit Pa to substrate W with shortest path.Thereby, it is possible to electronic unit
The polarity of Pa is differentiated without increasing productive temp time.
In addition, in the present embodiment, be set to illumination region and acceptance part in the horizontal direction with respect to and the structure that configures, but simultaneously
It is not limited to the structure.As long as the light of the specified altitude from illumination region towards electronic unit can be carried out by acceptance part by
Light, then with which kind of configuration.
In addition, in the present embodiment, as the acceptance part and the relative position of illumination region to electronic unit, recognition unit
The driving mechanism (the 1st driving mechanism) changed sets suction nozzle driving portion.The 1st driving mechanism is substituted also can easily to think
To following driving mechanisms (the 2nd driving mechanism), which is by can be compared with being moved down in mounting head main body by recognition unit
The linear guide portion (guide member) supported dynamicly and the actuator (motor, cylinder) for moving up and down recognition unit are formed
's.
In addition it is possible to readily appreciate that by the 1st driving mechanism and the 2nd driving mechanism co-operating, to electronic unit, know
The acceptance part of other unit and the relative position of illumination region change.That is, the 1st driving mechanism after the absorption of electronic unit, on
It rises and stops in assigned position.Then, move up and down the 2nd driving mechanism, the relative position of illumination region and acceptance part is carried out
Change.As described above, these driving mechanisms change the relative position of electronic unit and illumination region and acceptance part, make to electricity
The luminous position and light receiving position of subassembly are variable.
In addition, it in the present embodiment, is set to obtain electronic unit using the illumination region and acceptance part of recognition unit
The structure of shading width, but it is not limited to the structure.Can also mounting head set independently of recognition unit illumination region and
Acceptance part.
In addition, it in the present embodiment, is set to be determined J-lead in the 1st polarity discriminating method, thus to electricity
The structure that the polarity of subassembly is differentiated, but it is not limited to the structure.In the 1st polarity discriminating method, as long as according to more
The difference of the wire widths of a lead and the polarity of electronic unit is differentiated, for example, can draw to multiple leads
Line width is compared, and the lead of wire widths maximum is judged as anode.
In addition, in the present embodiment, it is set in the 2nd polarity discriminating method in the encapsulation part and lead of electronic unit
The structure that height and position calculates component width, but it is not limited to the structure.As long as the 2nd polarity discriminating method is according to more
The offset direction of the center of component width at a height and position and the polarity of electronic unit is differentiated.That is,
Illumination region towards electronic unit change height and position and shine, acceptance part each height and position the light for carrying out self-luminescent part is carried out by
Light calculates component width in each height and position.As long as the in addition, center according to the component width of each height and position
Offset direction and the polarity of electronic unit is differentiated, the ad hoc approach of the offset direction of center is not special
It is limited.
In addition, embodiments of the present invention and variation are illustrated, but as the other embodiment of the present invention,
The above embodiment and variation can also integrally or partly be combined.
In addition, embodiments of the present invention are not limited to above-mentioned embodiment and variation, the present invention is not being departed from
The scope of purport of technological thought can make various changes, replace, deform.And, if it is possible to by technological progress or
Derivative other technologies otherwise realize the technological thought of the present invention, then can also use this method and carry out reality
It applies.Therefore, the whole embodiments that can be included in the range of the technological thought of claims covering present invention.
In addition, the discriminating program of present embodiment can be stored in storage medium.Recording medium is not limited especially,
It can be non-volatile recording medium such as CD, photomagneto disk, flash memories.
In addition, it in the present embodiment, is illustrated on the structure for applying the present invention to erecting device, but also can
Enough it is applied to other devices differentiated to the polarity of electronic unit without increasing productive temp time.
Also, in the above-described embodiment, the polarity of the electronic unit of polarity discriminating device opposite substrate installation is sentenced
Not, which has：Illumination region shines towards the specified altitude position of electronic unit；Acceptance part, in electronics
In a state that component is configured between illumination region and acceptance part, light is carried out to the light for carrying out self-luminescent part；Calculating part, according to electricity
Subassembly calculates component width compared with the shading width of acceptance part；And judegment part, it is based on specified altitude position
Component width, the polarity of electronic unit is differentiated, illumination region and acceptance part, which are equipped on, installs electronic unit to substrate
Mounting head.According to the structure, illumination region and acceptance part are equipped in mounting head, by electronic unit be configured at illumination region and
By acceptance part to carrying out light come the light of self-luminescent part in the state of between acceptance part, so as to calculate component width, root
The polarity of electronic unit is differentiated according to component width.Since one side by mounting head conveys electronic unit, on one side
Polarity is differentiated, there is no need to be gone the long way round to be differentiated to polarity, can with shortest path by electronic unit to base
Plate conveys.Thereby, it is possible to the polarity to electronic unit to be differentiated without increasing productive temp time.
Industrial applicibility
As described above, the present invention, which has, can differentiate the polarity of electronic unit without increasing productive temp
Effect as time, particularly, the polarity discriminating differentiated suitable for the polarity of the J-lead component of opposite substrate installation
Device, erecting device, polarity discriminating method.
Claims (8)
1. a kind of polarity discriminating device, the polarity of the electronic unit of opposite substrate installation is differentiated,
The polarity discriminating device is characterized in that having：
Illumination region shines towards the specified altitude position of electronic unit；
Acceptance part, in a state that electronic unit is configured between the illumination region and acceptance part, to coming from the illumination region
Light carry out light；
Calculating part according to electronic unit compared with the shading width of the acceptance part, calculates component width；And
Judegment part based on the component width of specified altitude position, differentiates the polarity of electronic unit,
The illumination region and the acceptance part are equipped on the mounting head for installing electronic unit to substrate.
2. polarity discriminating device according to claim 1, which is characterized in that
With driving mechanism, the driving mechanism to the relative position of the electronic unit and the illumination region and the acceptance part into
Row change.
3. polarity discriminating device according to claim 1, which is characterized in that
Electronic unit has multiple leads,
The illumination region is positioned against multiple leads in specified altitude and shines,
In a state that multiple lead-line configurations are between the illumination region and the acceptance part, the acceptance part is to coming from the hair
The light in light portion carries out light,
The calculating part compared with the shading width of the acceptance part, calculates wire widths according to multiple leads,
The judegment part differentiates the polarity of electronic unit according to the difference of the wire widths of multiple leads.
4. polarity discriminating device according to claim 3, which is characterized in that
Electronic unit has a pair of lead wires, and a lead is J-lead.
5. polarity discriminating device according to claim 1, which is characterized in that
The illumination region changes height and position towards electronic unit and shines,
In a state that electronic unit is configured between the illumination region and the acceptance part, the acceptance part is to coming from the hair
The light in light portion carries out light,
The calculating part according to electronic unit compared with the shading width of the acceptance part, each height and position to component width into
Row calculates,
The judegment part according to the offset direction of the center of the component width of each height and position, to the polarity of electronic unit into
Row differentiates.
6. polarity discriminating device according to claim 5, which is characterized in that
Electronic unit is divided into encapsulation part and multiple leads in short transverse,
The illumination region shines in the 1st height and position towards encapsulation part, and shines in the 2nd height and position towards multiple leads,
In a state that encapsulation part is configured between the illumination region and the acceptance part, the acceptance part is to coming from described shine
The light in portion carries out light, and in a state that multiple lead-line configurations are between the illumination region and the acceptance part, it is described by
Light portion carries out light to the light from the illumination region,
The calculating part compared with the shading width of the acceptance part, calculates encapsulation part width according to encapsulation part, and
According to multiple leads compared with the shading width of the acceptance part, to region of the lead from one end until the lead of the other end
Width is calculated,
The judegment part is right according to the offset direction of the center of the peak width of the center and lead of encapsulation part width
The polarity of electronic unit is differentiated.
7. a kind of erecting device, has：
Mounting head, with polarity discriminating device according to any one of claims 1 to 6；And
Moving mechanism makes the mounting head be moved from the supply position of electronic unit towards substrate,
According to the polarity of the electronic unit determined by the polarity discriminating device, setting angle is adjusted, by described
Mounting head installs electronic unit to substrate.
8. a kind of polarity discriminating method, the polarity of the electronic unit of opposite substrate installation is differentiated,
The polarity discriminating method is characterized in that thering is following step：
Light is carried out to the light come self-luminescent part towards the specified altitude position of electronic unit by acceptance part；
According to electronic unit compared with the shading width of the acceptance part, component width is calculated；And
Based on the component width of specified altitude position, the polarity of electronic unit is differentiated, the illumination region and the light
Portion is equipped on the mounting head for installing electronic unit to substrate, right in the transmission process for the electronic unit realized by mounting head
Polarity is differentiated.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016217110A JP6815169B2 (en) | 2016-11-07 | 2016-11-07 | Polarity discrimination device, mounting device, polarity discrimination method |
| JP2016-217110 | 2016-11-07 |
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| Publication Number | Publication Date |
|---|---|
| CN108064127A true CN108064127A (en) | 2018-05-22 |
| CN108064127B CN108064127B (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711083934.6A Active CN108064127B (en) | 2016-11-07 | 2017-11-07 | Polarity determination device, mounting device, and polarity determination method |
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| Country | Link |
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| JP (1) | JP6815169B2 (en) |
| CN (1) | CN108064127B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2018078136A (en) | 2018-05-17 |
| JP6815169B2 (en) | 2021-01-20 |
| CN108064127B (en) | 2021-02-26 |
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